package com.xin.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.xin.constant.MessageConstant;
import com.xin.dao.MemberDao;
import com.xin.dao.OrderDao;
import com.xin.dao.OrderSettingDao;
import com.xin.entity.Result;
import com.xin.pojo.Member;
import com.xin.pojo.Order;
import com.xin.pojo.OrderSetting;
import com.xin.service.OrderService;
import com.xin.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

/**
 * @Author 夜天
 * @Date 2021/12/24 21:58
 * @Version 1.0.0
 * @description： 体检预约服务
 */
@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;
    @Autowired
    private OrderDao orderDao;
    // 体检预约
    @Override
    public Result order(Map map) throws Exception {
        // 查询预约日期是否进行了预约设置
        String orderDate = (String)map.get("orderDate");// 预约日期
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findByOrderDate(date);
        if(orderSetting == null){
            // 指定日期没有进行预约设置
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        // 查询预约是否已满
        int number = orderSetting.getNumber();//可预约人数
        int reservations = orderSetting.getReservations();//已预约人数
        if(reservations >= number){
            //预约已满，不能预约
            return new Result(false,MessageConstant.ORDER_FULL);
        }
        // 检查用户是否重复预约
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByTelephone(telephone);
        //防止重复预约
        if(member != null){
            Integer memberId = member.getId();
            int setmealId = Integer.parseInt((String) map.get("setmealId"));
            Order order = new Order(memberId,date,null,null,setmealId);
            List<Order> list = orderDao.findByCondition(order);
            if(list != null && list.size() > 0){
                //已经完成了预约，不能重复预约
                return new Result(false,MessageConstant.HAS_ORDERED);
            }else {
                // 当前用户不是会员，需要添加到会员表
                member = new Member();
                member.setName((String) map.get("name"));
                member.setPhoneNumber(telephone);
                member.setIdCard((String) map.get("idCard"));
                member.setSex((String) map.get("sex"));
                member.setRegTime(new Date());
                memberDao.add(member);
            }
        }
        // 预约成功，显示已经预约数
        Order order = new Order(member.getId(),
                date,
                (String)map.get("orderType"),
                Order.ORDERSTATUS_NO,
                Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);
        //可以预约，设置预约人数加一
        orderSetting.setReservations(orderSetting.getReservations()+1);
        orderSettingDao.editReservationsByOrderDate(orderSetting);
        return new Result(true,MessageConstant.ORDER_SUCCESS,order.getId());
    }


    // 根据预约 id 查询预约相关信息（体检人姓名，预约日期，套餐名称，预约类型）
    @Override
    public Map findById(Integer id) throws Exception {
        Map map = orderDao.findById4Detail(id);
        if(map != null){
            // 日期转换
            Date orderDate = (Date) map.get("orderDate");
            map.put("orderDate",DateUtils.parseDate2String(orderDate));
        }
        return map;
    }
}
